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학술대회 A New Energy Efficient Data Transmission Method for Underwater Wireless Sensor Networks
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서상보, 송승미, 김은숙, 김성운
International Conference on Soft Computing as Transdisciplinary Science and Technology (CSTST) 2008, pp.675-681
08MV1400, USN 네트워킹 및 응용기술 표준개발, 김용운
The Underwater Wireless Sensor Network (UWSN) consists of sensor nodes equipped with a small battery of limited energy resource. A key design issue here is the energy efficiency that needs to be addressed in order to increase the lifetime of the network. In this paper, we apply a hexagon tessellation with an ideal cell size to deploy the underwater sensor nodes for two-dimensional UWSN. Upon this setting, we propose an enhanced hybrid transmission method that considers load balancing of data transmission in two-dimensional UWSN. The proposed method applies the threshold annulus that is defined as the distance between a node and the Base Station (BS) and allocates different frequencies to different annuluses. The simulation results show that the proposed method enhances the energy efficiency compared to the existing multi-hop forwarding methods and hybrid transmission methods. Copyright 2008 ACM.
Energy efficiency, Transmission method, Underwater wireless sensor networks, Wireless sensor networks
KSP 제안 키워드
Cell Size, Data transmission, Different frequency, Energy Efficiency, Hybrid transmission, Key design, Load balancing, Multi-Hop, New energy, Sensor node, Underwater sensor